Image: Armory mechanical presses in the mid-20th century, Springfield Armory

Description: By the mid-20th century, cold forming pliable steel had been perfected and required the use of powerful machines like these to produce weaponry for the US Military
Title: Armory mechanical presses in the mid-20th century, Springfield Armory
Credit: www.nps.gov National Parks Service
Author: National Park Service
Permission: Public domainPublic domainfalsefalse This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No